图中，少年宫的位置用数对表示是 ．李林家的位置是（2，3），学校的位置是（3，2），请在图中标出李林家和学校的位置．
直接写出得数．============
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直接写出得数．== 1﹣= 4﹣=====
计算下面各题．．
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